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Dracocephalum ruyschianum 'Blue Dragon'
Common Name: Dragonhead
Our own selection of this species has dark blue snapdragon flowers covering a low, thick mound of rosemary-like foliage in early summer. Compact in a container and very easy to grow, just treat it as you would a Dianthus. It has been reliably hardy in Landenberg through rain and drought for many winters. Needs good drainage.
Height: 12-15 Inches
USDA Hardiness Zone: 4-7